/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package geb.module

abstract class NumberLikeInput extends AbstractInput {

    void setNumber(Number number) {
        value(number)
    }

    Number getNumber() {
        parseNumber(value() as String)
    }

    Number getMin() {
        parseNumber(attr("min"))
    }

    Number getMax() {
        parseNumber(attr("max"))
    }

    Number getStep() {
        parseNumber(attr("step"))
    }

    protected Number parseNumber(String string) {
        if (string == null || string.empty) {
            return null
        }
        if (string.bigDecimal) {
            return string.toBigDecimal()
        }
        if (string.integer) {
            return string.toInteger()
        }
        throw new NumberFormatException("Value \"${string}\" of ${this} is not a number.")
    }

}
